Evaluating teaching practice through ongoing monitoring and regular student assessment is integral to good literacy teaching. Establishing the effectiveness of any teaching practice is challenging because there are multiple influencing factors that make it hard to determine cause and effect. The Tasmanian Department of Education Literacy Framework 2019-2022 has set as one of three system priorities to establish "valid and reliable measures of impact and learner growth". This involves three actions. Develop clear expectations and guidelines to build system-wide understanding of the measurement of learner growth in literacy. ‚Äö Implement the tools and supports for effective measurement of learner growth in literacy. ‚Äö Implement the tools and supports to measure the impact of system-wide literacy actions on our learners.